| 左直线夹角/˚ | 数量/张 | 右直线夹角/˚ | 数量/张 |
| 1 | 94 | −33 | 97 |
| 3 | 99 | −30 | 100 |
| 6 | 90 | −27 | 95 |
| 9 | 83 | −24 | 80 |
| ∙∙∙ | ∙∙∙ | ∙∙∙ | ∙∙∙ |
| 24 | 88 | −9 | 92 |
| 27 | 97 | −6 | 99 |
| 30 | 100 | −3 | 98 |
| 33 | 98 | −1 | 90 |